Door closer



FIG. 1 is a perspective view of a door closer showing my new design.

FIG. 2 is a top plan view thereof, the bottom view being a mirror image of that shown;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right end elevational view thereof; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a door closer, as shown and described. 